85756856140 has 12 divisors (see below), whose sum is σ = 180089397936. Its totient is φ = 34302742448.

The previous prime is 85756856111. The next prime is 85756856147. The reversal of 85756856140 is 4165865758.

It is not an unprimeable number, because it can be changed into a prime (85756856147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2143921384 + ... + 2143921423.

It is an arithmetic number, because the mean of its divisors is an integer number (15007449828).

Almost surely, 2^85756856140 is an apocalyptic number.

It is an amenable number.

85756856140 is an abundant number, since it is smaller than the sum of its proper divisors (94332541796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85756856140 is a wasteful number, since it uses less digits than its factorization.

85756856140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4287842816 (or 4287842814 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 55.

The spelling of 85756856140 in words is "eighty-five billion, seven hundred fifty-six million, eight hundred fifty-six thousand, one hundred forty".